// //聚焦失焦
let phone=document.getElementById("phone")
phone.onfocus=function(){
	this.style.border="1px solid blue"
}
phone.onblur=function(){
	this.style.border="none";
	if(this.value==""){
		$("#msg01").css({"display":"block"})
	}
}
let code=document.getElementById("code")
code.onfocus=function(){
	this.style.border="1px solid blue"
}
code.onblur=function(){
	this.style.border="none"
	if(this.value==""){
		$("#msg02").css({"display":"block"})
	}
}